diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-30 18:42:58 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-30 18:42:58 -0700 |
commit | 3985c7ce85039adacdf882904ca096f091d39346 (patch) | |
tree | afaf4161c4c3d9516cc09295eb30c0e22a8c3008 | |
parent | fcf744a96c66ca6ad7301a372034b771e57f30c4 (diff) | |
parent | ce384d91cd7a4269a1ed5d4307a70aa4c6fa14f2 (diff) | |
download | blackbird-op-linux-3985c7ce85039adacdf882904ca096f091d39346.tar.gz blackbird-op-linux-3985c7ce85039adacdf882904ca096f091d39346.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
isdn: mISDN: socket: fix information leak to userland
netdev: can: Change mail address of Hans J. Koch
pcnet_cs: add new_id
net: Truncate recvfrom and sendto length to INT_MAX.
RDS: Let rds_message_alloc_sgs() return NULL
RDS: Copy rds_iovecs into kernel memory instead of rereading from userspace
RDS: Clean up error handling in rds_cmsg_rdma_args
RDS: Return -EINVAL if rds_rdma_pages returns an error
net: fix rds_iovec page count overflow
can: pch_can: fix section mismatch warning by using a whitelisted name
can: pch_can: fix sparse warning
netxen_nic: Fix the tx queue manipulation bug in netxen_nic_probe
ip_gre: fix fallback tunnel setup
vmxnet: trivial annotation of protocol constant
vmxnet3: remove unnecessary byteswapping in BAR writing macros
ipv6/udp: report SndbufErrors and RcvbufErrors
phy/marvell: rename 88ec048 to 88e1318s and fix mscr1 addr
-rw-r--r-- | drivers/isdn/mISDN/socket.c | 2 | ||||
-rw-r--r-- | drivers/net/can/at91_can.c | 2 | ||||
-rw-r--r-- | drivers/net/can/pch_can.c | 10 | ||||
-rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 1 | ||||
-rw-r--r-- | drivers/net/pcmcia/pcnet_cs.c | 1 | ||||
-rw-r--r-- | drivers/net/phy/marvell.c | 18 | ||||
-rw-r--r-- | drivers/net/vmxnet3/vmxnet3_drv.c | 2 | ||||
-rw-r--r-- | drivers/net/vmxnet3/vmxnet3_int.h | 8 | ||||
-rw-r--r-- | include/linux/marvell_phy.h | 2 | ||||
-rw-r--r-- | net/ipv4/ip_gre.c | 6 | ||||
-rw-r--r-- | net/ipv6/proc.c | 4 | ||||
-rw-r--r-- | net/rds/message.c | 5 | ||||
-rw-r--r-- | net/rds/rdma.c | 126 | ||||
-rw-r--r-- | net/rds/send.c | 4 | ||||
-rw-r--r-- | net/socket.c | 4 |
15 files changed, 128 insertions, 67 deletions
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 3232206406b1..7446d8b4282d 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -392,6 +392,7 @@ data_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (dev) { struct mISDN_devinfo di; + memset(&di, 0, sizeof(di)); di.id = dev->id; di.Dprotocols = dev->Dprotocols; di.Bprotocols = dev->Bprotocols | get_all_Bprotocols(); @@ -672,6 +673,7 @@ base_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (dev) { struct mISDN_devinfo di; + memset(&di, 0, sizeof(di)); di.id = dev->id; di.Dprotocols = dev->Dprotocols; di.Bprotocols = dev->Bprotocols | get_all_Bprotocols(); diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index cee98fa668bd..7ef83d06f7ed 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -1,7 +1,7 @@ /* * at91_can.c - CAN network driver for AT91 SoC CAN controller * - * (C) 2007 by Hans J. Koch <hjk@linutronix.de> + * (C) 2007 by Hans J. Koch <hjk@hansjkoch.de> * (C) 2008, 2009, 2010 by Marc Kleine-Budde <kernel@pengutronix.de> * * This software may be distributed under the terms of the GNU General diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index 55ec324caaf4..672718261c68 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -213,12 +213,12 @@ static DEFINE_PCI_DEVICE_TABLE(pch_pci_tbl) = { }; MODULE_DEVICE_TABLE(pci, pch_pci_tbl); -static inline void pch_can_bit_set(u32 *addr, u32 mask) +static inline void pch_can_bit_set(void __iomem *addr, u32 mask) { iowrite32(ioread32(addr) | mask, addr); } -static inline void pch_can_bit_clear(u32 *addr, u32 mask) +static inline void pch_can_bit_clear(void __iomem *addr, u32 mask) { iowrite32(ioread32(addr) & ~mask, addr); } @@ -1437,7 +1437,7 @@ probe_exit_endev: return rc; } -static struct pci_driver pch_can_pcidev = { +static struct pci_driver pch_can_pci_driver = { .name = "pch_can", .id_table = pch_pci_tbl, .probe = pch_can_probe, @@ -1448,13 +1448,13 @@ static struct pci_driver pch_can_pcidev = { static int __init pch_can_pci_init(void) { - return pci_register_driver(&pch_can_pcidev); + return pci_register_driver(&pch_can_pci_driver); } module_init(pch_can_pci_init); static void __exit pch_can_pci_exit(void) { - pci_unregister_driver(&pch_can_pcidev); + pci_unregister_driver(&pch_can_pci_driver); } module_exit(pch_can_pci_exit); diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 35ae1aa12896..a75ba9517404 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -1240,7 +1240,6 @@ netxen_setup_netdev(struct netxen_adapter *adapter, dev_warn(&pdev->dev, "failed to read mac addr\n"); netif_carrier_off(netdev); - netif_stop_queue(netdev); err = register_netdev(netdev); if (err) { diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index 03096c80103d..d05c44692f08 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -1536,6 +1536,7 @@ static struct pcmcia_device_id pcnet_ids[] = { PCMCIA_DEVICE_PROD_ID12("COMPU-SHACK", "FASTline PCMCIA 10/100 Fast-Ethernet", 0xfa2e424d, 0x3953d9b9), PCMCIA_DEVICE_PROD_ID12("CONTEC", "C-NET(PC)C-10L", 0x21cab552, 0xf6f90722), PCMCIA_DEVICE_PROD_ID12("corega", "FEther PCC-TXF", 0x0a21501a, 0xa51564a2), + PCMCIA_DEVICE_PROD_ID12("corega", "Ether CF-TD", 0x0a21501a, 0x6589340a), PCMCIA_DEVICE_PROD_ID12("corega K.K.", "corega EtherII PCC-T", 0x5261440f, 0xfa9d85bd), PCMCIA_DEVICE_PROD_ID12("corega K.K.", "corega EtherII PCC-TD", 0x5261440f, 0xc49bd73d), PCMCIA_DEVICE_PROD_ID12("Corega K.K.", "corega EtherII PCC-TD", 0xd4fdcbd8, 0xc49bd73d), diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index e2afdce0a437..f0bd1a1aba3a 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -74,8 +74,8 @@ #define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4) #define MII_88E1121_PHY_MSCR_DELAY_MASK (~(0x3 << 4)) -#define MII_88EC048_PHY_MSCR1_REG 16 -#define MII_88EC048_PHY_MSCR1_PAD_ODD BIT(6) +#define MII_88E1318S_PHY_MSCR1_REG 16 +#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6) #define MII_88E1121_PHY_LED_CTRL 16 #define MII_88E1121_PHY_LED_PAGE 3 @@ -240,7 +240,7 @@ static int m88e1121_config_aneg(struct phy_device *phydev) return err; } -static int m88ec048_config_aneg(struct phy_device *phydev) +static int m88e1318_config_aneg(struct phy_device *phydev) { int err, oldpage, mscr; @@ -251,10 +251,10 @@ static int m88ec048_config_aneg(struct phy_device *phydev) if (err < 0) return err; - mscr = phy_read(phydev, MII_88EC048_PHY_MSCR1_REG); - mscr |= MII_88EC048_PHY_MSCR1_PAD_ODD; + mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG); + mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD; - err = phy_write(phydev, MII_88E1121_PHY_MSCR_REG, mscr); + err = phy_write(phydev, MII_88E1318S_PHY_MSCR1_REG, mscr); if (err < 0) return err; @@ -659,12 +659,12 @@ static struct phy_driver marvell_drivers[] = { .driver = { .owner = THIS_MODULE }, }, { - .phy_id = MARVELL_PHY_ID_88EC048, + .phy_id = MARVELL_PHY_ID_88E1318S, .phy_id_mask = MARVELL_PHY_ID_MASK, - .name = "Marvell 88EC048", + .name = "Marvell 88E1318S", .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, - .config_aneg = &m88ec048_config_aneg, + .config_aneg = &m88e1318_config_aneg, .read_status = &marvell_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index e3658e10db39..21314e06e6d7 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -873,7 +873,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + skb_shinfo(skb)->nr_frags + 1; - ctx.ipv4 = (skb->protocol == __constant_ntohs(ETH_P_IP)); + ctx.ipv4 = (skb->protocol == cpu_to_be16(ETH_P_IP)); ctx.mss = skb_shinfo(skb)->gso_size; if (ctx.mss) { diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 8a2f4712284c..edf228843afc 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -330,14 +330,14 @@ struct vmxnet3_adapter { }; #define VMXNET3_WRITE_BAR0_REG(adapter, reg, val) \ - writel(cpu_to_le32(val), (adapter)->hw_addr0 + (reg)) + writel((val), (adapter)->hw_addr0 + (reg)) #define VMXNET3_READ_BAR0_REG(adapter, reg) \ - le32_to_cpu(readl((adapter)->hw_addr0 + (reg))) + readl((adapter)->hw_addr0 + (reg)) #define VMXNET3_WRITE_BAR1_REG(adapter, reg, val) \ - writel(cpu_to_le32(val), (adapter)->hw_addr1 + (reg)) + writel((val), (adapter)->hw_addr1 + (reg)) #define VMXNET3_READ_BAR1_REG(adapter, reg) \ - le32_to_cpu(readl((adapter)->hw_addr1 + (reg))) + readl((adapter)->hw_addr1 + (reg)) #define VMXNET3_WAKE_QUEUE_THRESHOLD(tq) (5) #define VMXNET3_RX_ALLOC_THRESHOLD(rq, ring_idx, adapter) \ diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h index d0f08018335d..1ff81b51b656 100644 --- a/include/linux/marvell_phy.h +++ b/include/linux/marvell_phy.h @@ -12,7 +12,7 @@ #define MARVELL_PHY_ID_88E1121R 0x01410cb0 #define MARVELL_PHY_ID_88E1145 0x01410cd0 #define MARVELL_PHY_ID_88E1240 0x01410e30 -#define MARVELL_PHY_ID_88EC048 0x01410e90 +#define MARVELL_PHY_ID_88E1318S 0x01410e90 /* struct phy_device dev_flags definitions */ #define MARVELL_PHY_M1145_FLAGS_RESISTANCE 0x00000001 diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 01087e035b7d..70ff77f02eee 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1325,7 +1325,6 @@ static void ipgre_fb_tunnel_init(struct net_device *dev) { struct ip_tunnel *tunnel = netdev_priv(dev); struct iphdr *iph = &tunnel->parms.iph; - struct ipgre_net *ign = net_generic(dev_net(dev), ipgre_net_id); tunnel->dev = dev; strcpy(tunnel->parms.name, dev->name); @@ -1336,7 +1335,6 @@ static void ipgre_fb_tunnel_init(struct net_device *dev) tunnel->hlen = sizeof(struct iphdr) + 4; dev_hold(dev); - rcu_assign_pointer(ign->tunnels_wc[0], tunnel); } @@ -1383,10 +1381,12 @@ static int __net_init ipgre_init_net(struct net *net) if ((err = register_netdev(ign->fb_tunnel_dev))) goto err_reg_dev; + rcu_assign_pointer(ign->tunnels_wc[0], + netdev_priv(ign->fb_tunnel_dev)); return 0; err_reg_dev: - free_netdev(ign->fb_tunnel_dev); + ipgre_dev_free(ign->fb_tunnel_dev); err_alloc_dev: return err; } diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index d082eaeefa25..24b3558b8e67 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -126,6 +126,8 @@ static const struct snmp_mib snmp6_udp6_list[] = { SNMP_MIB_ITEM("Udp6NoPorts", UDP_MIB_NOPORTS), SNMP_MIB_ITEM("Udp6InErrors", UDP_MIB_INERRORS), SNMP_MIB_ITEM("Udp6OutDatagrams", UDP_MIB_OUTDATAGRAMS), + SNMP_MIB_ITEM("Udp6RcvbufErrors", UDP_MIB_RCVBUFERRORS), + SNMP_MIB_ITEM("Udp6SndbufErrors", UDP_MIB_SNDBUFERRORS), SNMP_MIB_SENTINEL }; @@ -134,6 +136,8 @@ static const struct snmp_mib snmp6_udplite6_list[] = { SNMP_MIB_ITEM("UdpLite6NoPorts", UDP_MIB_NOPORTS), SNMP_MIB_ITEM("UdpLite6InErrors", UDP_MIB_INERRORS), SNMP_MIB_ITEM("UdpLite6OutDatagrams", UDP_MIB_OUTDATAGRAMS), + SNMP_MIB_ITEM("UdpLite6RcvbufErrors", UDP_MIB_RCVBUFERRORS), + SNMP_MIB_ITEM("UdpLite6SndbufErrors", UDP_MIB_SNDBUFERRORS), SNMP_MIB_SENTINEL }; diff --git a/net/rds/message.c b/net/rds/message.c index a84545dae370..848cff45183b 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -224,6 +224,9 @@ struct scatterlist *rds_message_alloc_sgs(struct rds_message *rm, int nents) WARN_ON(rm->m_used_sgs + nents > rm->m_total_sgs); WARN_ON(!nents); + if (rm->m_used_sgs + nents > rm->m_total_sgs) + return NULL; + sg_ret = &sg_first[rm->m_used_sgs]; sg_init_table(sg_ret, nents); rm->m_used_sgs += nents; @@ -246,6 +249,8 @@ struct rds_message *rds_message_map_pages(unsigned long *page_addrs, unsigned in rm->m_inc.i_hdr.h_len = cpu_to_be32(total_len); rm->data.op_nents = ceil(total_len, PAGE_SIZE); rm->data.op_sg = rds_message_alloc_sgs(rm, num_sgs); + if (!rm->data.op_sg) + return ERR_PTR(-ENOMEM); for (i = 0; i < rm->data.op_nents; ++i) { sg_set_page(&rm->data.op_sg[i], diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 1a41debca1ce..8920f2a83327 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -479,13 +479,38 @@ void rds_atomic_free_op(struct rm_atomic_op *ao) /* - * Count the number of pages needed to describe an incoming iovec. + * Count the number of pages needed to describe an incoming iovec array. */ -static int rds_rdma_pages(struct rds_rdma_args *args) +static int rds_rdma_pages(struct rds_iovec iov[], int nr_iovecs) +{ + int tot_pages = 0; + unsigned int nr_pages; + unsigned int i; + + /* figure out the number of pages in the vector */ + for (i = 0; i < nr_iovecs; i++) { + nr_pages = rds_pages_in_vec(&iov[i]); + if (nr_pages == 0) + return -EINVAL; + + tot_pages += nr_pages; + + /* + * nr_pages for one entry is limited to (UINT_MAX>>PAGE_SHIFT)+1, + * so tot_pages cannot overflow without first going negative. + */ + if (tot_pages < 0) + return -EINVAL; + } + + return tot_pages; +} + +int rds_rdma_extra_size(struct rds_rdma_args *args) { struct rds_iovec vec; struct rds_iovec __user *local_vec; - unsigned int tot_pages = 0; + int tot_pages = 0; unsigned int nr_pages; unsigned int i; @@ -502,14 +527,16 @@ static int rds_rdma_pages(struct rds_rdma_args *args) return -EINVAL; tot_pages += nr_pages; - } - return tot_pages; -} + /* + * nr_pages for one entry is limited to (UINT_MAX>>PAGE_SHIFT)+1, + * so tot_pages cannot overflow without first going negative. + */ + if (tot_pages < 0) + return -EINVAL; + } -int rds_rdma_extra_size(struct rds_rdma_args *args) -{ - return rds_rdma_pages(args) * sizeof(struct scatterlist); + return tot_pages * sizeof(struct scatterlist); } /* @@ -520,13 +547,12 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, struct cmsghdr *cmsg) { struct rds_rdma_args *args; - struct rds_iovec vec; struct rm_rdma_op *op = &rm->rdma; int nr_pages; unsigned int nr_bytes; struct page **pages = NULL; - struct rds_iovec __user *local_vec; - unsigned int nr; + struct rds_iovec iovstack[UIO_FASTIOV], *iovs = iovstack; + int iov_size; unsigned int i, j; int ret = 0; @@ -546,9 +572,26 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, goto out; } - nr_pages = rds_rdma_pages(args); - if (nr_pages < 0) + /* Check whether to allocate the iovec area */ + iov_size = args->nr_local * sizeof(struct rds_iovec); + if (args->nr_local > UIO_FASTIOV) { + iovs = sock_kmalloc(rds_rs_to_sk(rs), iov_size, GFP_KERNEL); + if (!iovs) { + ret = -ENOMEM; + goto out; + } + } + + if (copy_from_user(iovs, (struct rds_iovec __user *)(unsigned long) args->local_vec_addr, iov_size)) { + ret = -EFAULT; + goto out; + } + + nr_pages = rds_rdma_pages(iovs, args->nr_local); + if (nr_pages < 0) { + ret = -EINVAL; goto out; + } pages = kcalloc(nr_pages, sizeof(struct page *), GFP_KERNEL); if (!pages) { @@ -564,6 +607,10 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, op->op_recverr = rs->rs_recverr; WARN_ON(!nr_pages); op->op_sg = rds_message_alloc_sgs(rm, nr_pages); + if (!op->op_sg) { + ret = -ENOMEM; + goto out; + } if (op->op_notify || op->op_recverr) { /* We allocate an uninitialized notifier here, because @@ -597,50 +644,40 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, (unsigned long long)args->remote_vec.addr, op->op_rkey); - local_vec = (struct rds_iovec __user *)(unsigned long) args->local_vec_addr; - for (i = 0; i < args->nr_local; i++) { - if (copy_from_user(&vec, &local_vec[i], - sizeof(struct rds_iovec))) { - ret = -EFAULT; - goto out; - } - - nr = rds_pages_in_vec(&vec); - if (nr == 0) { - ret = -EINVAL; - goto out; - } + struct rds_iovec *iov = &iovs[i]; + /* don't need to check, rds_rdma_pages() verified nr will be +nonzero */ + unsigned int nr = rds_pages_in_vec(iov); - rs->rs_user_addr = vec.addr; - rs->rs_user_bytes = vec.bytes; + rs->rs_user_addr = iov->addr; + rs->rs_user_bytes = iov->bytes; /* If it's a WRITE operation, we want to pin the pages for reading. * If it's a READ operation, we need to pin the pages for writing. */ - ret = rds_pin_pages(vec.addr, nr, pages, !op->op_write); + ret = rds_pin_pages(iov->addr, nr, pages, !op->op_write); if (ret < 0) goto out; - rdsdebug("RDS: nr_bytes %u nr %u vec.bytes %llu vec.addr %llx\n", - nr_bytes, nr, vec.bytes, vec.addr); + rdsdebug("RDS: nr_bytes %u nr %u iov->bytes %llu iov->addr %llx\n", + nr_bytes, nr, iov->bytes, iov->addr); - nr_bytes += vec.bytes; + nr_bytes += iov->bytes; for (j = 0; j < nr; j++) { - unsigned int offset = vec.addr & ~PAGE_MASK; + unsigned int offset = iov->addr & ~PAGE_MASK; struct scatterlist *sg; sg = &op->op_sg[op->op_nents + j]; sg_set_page(sg, pages[j], - min_t(unsigned int, vec.bytes, PAGE_SIZE - offset), + min_t(unsigned int, iov->bytes, PAGE_SIZE - offset), offset); - rdsdebug("RDS: sg->offset %x sg->len %x vec.addr %llx vec.bytes %llu\n", - sg->offset, sg->length, vec.addr, vec.bytes); + rdsdebug("RDS: sg->offset %x sg->len %x iov->addr %llx iov->bytes %llu\n", + sg->offset, sg->length, iov->addr, iov->bytes); - vec.addr += sg->length; - vec.bytes -= sg->length; + iov->addr += sg->length; + iov->bytes -= sg->length; } op->op_nents += nr; @@ -655,13 +692,14 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm, } op->op_bytes = nr_bytes; - ret = 0; out: + if (iovs != iovstack) + sock_kfree_s(rds_rs_to_sk(rs), iovs, iov_size); kfree(pages); if (ret) rds_rdma_free_op(op); - - rds_stats_inc(s_send_rdma); + else + rds_stats_inc(s_send_rdma); return ret; } @@ -773,6 +811,10 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm, rm->atomic.op_active = 1; rm->atomic.op_recverr = rs->rs_recverr; rm->atomic.op_sg = rds_message_alloc_sgs(rm, 1); + if (!rm->atomic.op_sg) { + ret = -ENOMEM; + goto err; + } /* verify 8 byte-aligned */ if (args->local_addr & 0x7) { diff --git a/net/rds/send.c b/net/rds/send.c index 0bc9db17a87d..35b9c2e9caf1 100644 --- a/net/rds/send.c +++ b/net/rds/send.c @@ -973,6 +973,10 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, /* Attach data to the rm */ if (payload_len) { rm->data.op_sg = rds_message_alloc_sgs(rm, ceil(payload_len, PAGE_SIZE)); + if (!rm->data.op_sg) { + ret = -ENOMEM; + goto out; + } ret = rds_message_copy_from_user(rm, msg->msg_iov, payload_len); if (ret) goto out; diff --git a/net/socket.c b/net/socket.c index 5247ae10f374..3ca2fd9e3720 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1652,6 +1652,8 @@ SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len, struct iovec iov; int fput_needed; + if (len > INT_MAX) + len = INT_MAX; sock = sockfd_lookup_light(fd, &err, &fput_needed); if (!sock) goto out; @@ -1709,6 +1711,8 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size, int err, err2; int fput_needed; + if (size > INT_MAX) + size = INT_MAX; sock = sockfd_lookup_light(fd, &err, &fput_needed); if (!sock) goto out; |